Composition of matter.



QR lalloOB UNITED STATES CARL HENRICH, OF LINCOLN COUNTY, GEORGIA,.ASSIGNOB. TO FLUORIDE MFG. 00., OF

FARMING-DALE, NEW YORKJA CORPORATION OF NEW YORK.

No Drawing.

To all whom it may concern:

Be it known that I, CARL HENRICH, a citizen of the United States, and aresident of the county of Lincoln and State of Georgia, have invented anew and improved Composition of Matter to be used asafipe and waterproof covering in painting wood, lumber, shingles, canvas, or otherinflammable articles to rmthe same flame-resistin ,and fireproof in ahigh degree and a1 0 Waterproof, of which the following is a full,clear, and exact description.

The composition consists in the following ingredients, combined in aboutthe proportion stated, namely: magnesia or calcined dolomite, fifty-twoper cent; calcium sulfate, dried, twenty-one and eight-tenths per cent;dextrin, one per cent; anhydrous sulfate of magnesium, twenty-five percent.; bichromate of potassium, two-tenths of one per cent.

The above-mentioned ingredients are thoroughly mingled and mixedtogether while in a dry state, to form an impalpable powder which can bereadily put up in cans or bags so as to be ready for use wheneverdesired, the composition keeping unaltered for any reasonable lengthoftime.

When it is desired to use the composition as a paint or covering theabove ingredients are intimately mixed with about thirty per cent. ofwater to form a liquid mixture which can be readily spread and put ontothe article with a brush or a spraying apparat-us.

It is well known that the difficulty and ex- Specification of LettersPatent.

PATENT OFFICE.

COMPOSITION OF MATTER.

Patented Nov. 3, 1914.

Application filed April 24, 1913. Serial No. 763,333.

with ordinary liquid paint to reduce expense in shipping.

It will be noticed that the ingredients can be readily mixed with waterwhenever it is desired to use the composition as a paint or a covering,and this mixture can be readily applied to form a fireproof and calciumsulfate, dextrin,-bichromate of potassium,'coloring matter and water,said mixture forming when dry a fire proof, waterproof, and durablecovering, substantially as described.

2. The herein described composition of matter, consisting of magnesia 52per cent, anhydrous magnesia sulfate 25 per cent, calcium, sulfate 21.8per cent, dextrin 1 per cent, bichromate of potassium 0.2 per cent,water 30 per cent, and suitable coloring matter. I

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

CARL HENRIGH.

Witnesses LOUIS EWRICHT, J r., A. N. HOPKINS.

copies of this patent may he obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D. 0.

